#ifndef __US_ELECTRICALAPPLIANCE_H
#define __US_ELECTRICALAPPLIANCE_H

#include "ElectricalAppliance.hpp"

// 美规用电器 输入电源电压为110V
class US_ElectricalAppliance : public ElectricalAppliance
{
private:
    static const int Valid = 110;

protected:
    int getValidInput();
};
#endif
